Resilient wheel.



J. B. DRAHONOVSKY.

RESILJENT WHEEL.

APPLlCATlON FILED NOV.13,1914.

Lm fiwn Patented Feb. 1, 1916.

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l JFTEW JOHN B. DRAI-ONOVSKY, OF MILWAUKEE, WISCONSIN.

RESILIENT WHEEL.

Speeification of Letters Patent.

Patented Febl, 1916.

Application filed November 13, 1914. Serial No. 871,874.

To aZZ whomit may concern:

Be it known that L J OHN B. DRAHONOV- snr, a citizen of the United States, and resident of Milwaukee, in the county of Milwaukee and State. of Vvisconsin, have' invented new and useful Improvements in Resilient VVheels, of which the following is a description, reference being had to the acconpanying drawings, 'which are a part `'of thisspecication. r

This invention relates to inprovenents in resilientwheels of that type in which the resilient means is included in the hub portion of the Wheel. V

One of the objects of the invention is to provide a resilient Wheel in which the 'hub portion of the Wheel is yieldingly niounted within the wheel to cushion the hubportion against shocks andvibrations due to inequalities of the road traveled over.

A further Object of the invention is to provide a resilient Wheel in which the strain of the load is distributed equally toalljof the resilient nenbers of the Wheel.

A further Object of the invention is to provide a resilient Wheel having supp'lemental resilient means for receiving the abnormal shocks and vibrations of very rough roads orvery heavy leads.

A further Object of the invention is to provide a resilient wheel having means for looking the two portions of the Wheel t0-' gether when thewheel is subject to undue strain in starting or stopping. 4 A further Object of the invention is to provide a resilient wheel which is of simple construction, isstrong and durable, and is, ,well adapted for the purpose desredl `With the above and other objects in view the inveution consists of the improved resilient wheel and its parts and combinations as set forth in the claims, and all equivalents thereof. r

In the acconpanying drawing in which' the same reference characters ndicate the same parts in all of the views, Figure 1 is a side view of a portion of a wheel embody indicates the outer hub of awheel provided with spokes 6 which extend to andare con- ..nected to thewheel rin (not shown) in'the.

ordinary inanner. The outer hub consists of an inner annular fianged plate'7 and an outer annular plate %which are adapted to holdtheinner end portions ofthe spokes 6 clamped therebetween. The nner" ends 9 of the spokes are "of segmented forniand 'snugly fit"between the plates and abut against the flange and' are held in 'position by bolts and nuts'lO, the bolts extending through the. `segnental portions" of the spokes and through the rim' plates. The fianges 11 are or annular form and project toutwardly :from 'the inner plates and through the openingfof the outer plate and a short distance beyond said uter plateto v form an annular shoulder for receiving the grooved portion 12 of the wheel hub cap or cover 13. This cap or cover is secured in position by Screws 13' andis prefa lrf ed in' twd'parts so that the smaller portion 14 may be easily unscrewed \from thelarger portion lto gain access to the aXle l ofthe wheeh The fiange por tions 11 are provided with threaded radial openngsvl7 and with nnerunterposed recesses 18; `I-a1j"dned clip members 19 are threaded in the c`penings17 andyieldng bumper members 20`are inserted in'the'recesses 18 and project" inwardly therefr'on. The hardened cup members are" provided with semi-conical recesses 21 having rounded apexes into whichextend steel balls 22.

The inner hub 23 ofthe wheel is provided' with a radial fiange`24`havi`ng radially'extending enlagenie'nts' 25 provided with radial bores safina) which slidablye'xtend bearing plungers 27i These' plungers have `conical recesses or pockets"28in their outer' ends to receive the steel balls 22 before mentioned which are interposed between the plungers and the cup members 19. "The inner "ends of the bearing plungers are also recessed as ndcated by the'nuneral 29`to receive the outerjends of c'oiled Springs or other resilient menibers 30 'which are-positioned within the boXes 26 and serve to yieldngly hold the inner hub centrally within the outer hub. *The inner hub is held :against lateral novenientfby the engagement of the. enlarge nents 25 with the inner sides of the inner plate 7 and the cap '13,

between which 'the `enlargenents of the a fiange 24: play vertically.

l The inner hub is providedwith a tapered bore 31 through whichthe aXle 16 eXteiids and is held 'therein by a nut32 threaded" on.

i movement provided for.

-ion .the blow;

In order to limit the revoluble movement of the innerhub With relation to the outer hub, stop' lugs proj ecting outwardly from the annular flange are provided which enter the spaces 36 formed between the annular flanges ll of the inner plate 7 and play betweenthe ends of' said fianges. As the spaces 36 are wider than the lugs the said lugs will not strike the, flanges while under normal traotion strain, but will only i strike when the parts revolve beyond the l In operationthe inner hub will be held yieldingly in position within the outer hub by meansof the balls and thebearing plungers and the Springs and any vertical movement of the' outer or inner member With retical aXial alinement ;resisted by the'springs.

spect to the other member willbe yieldingly The Springs 1n verwith thefhub ill be :directly compressed or expanded while the Springs on the opposite .sides of the vertical line will be forcedinwardly by the balls riding up the inclined walls of the conical pookets* of the cup members and the bearing plungers,

The traction strain willalso be yieldingly ressted by the inclined walls of the pockets, within the movementpermitted,

and beyond this point the stop lugs Will v positively look the parts together until the x plates positioned in spaced relation, one* of abnormal strain has lessened.

From the foregoing description it will be seen that the 'resilient Wheel is of very simple construction andis well adapted for the purpose described.

What I claim as *my invention is:- 1. A reslient wheel, compr sng an outer hub member provided with a plurality of bearing cups having conical recesses, an nner hub member extendmg mto the outer hub and provided with 'a plurahty of radial bores which register with the conical recesses, ,plungers 1 yieldingly reciprocally mounted *in the bores and providedwith conical recesses in their outer ends, and balls interposed between the' plungers and the cups .and enteringthe conical recesses' 2.` A resilient Wheel, eomprsing anouter hub member formed of a par of annular \said plates having annular fiange portions .prov ded wth radial cup opemngs, bearng cups mounted in said openings and having concal' recessed portions, a cap member mounted on the outer hub member, an inner hub member extending into the outer hub and having a plurality of radially extending enlargements which slidably engage the inner sides of the inner plate and the cap, said enlargements having radial bores, plungers yieldingly reciprocally nounted in said radial bores and provided with conical recesses in their outer ends which register with the recesses of the cups, andballs interposed between the plungers and the cups and entering the conical recesses.

3. A resilient Wheel, comprising an outer hub member formed of a pair of annular plates positioned in spaced relation, one of said plates having annular flange portions provided with* radial cup openings and having conical recessed portions, a cap member mounted on the outer hub member, an inner hub member extending into the outer hub and having a plurality of radially extending enlargements which slidably engage the inner sides of the inner plate and the cap, said enlargements having radial bores, plungers yieldingly reciprocally nounted in said radial bores and provided with conical recesses in their outer ends which register with the recesses of the cups, balls interposed between the plunger and the cups and enter- 'ing the conical recesses, and means for limiting the revoluble movement of the inner hub member with respect to the revoluble movement of the outer hub member.

4. A resilient Wheel, comprising an outer hub member formed of a pair of annular plates positioned in spaced relation, one of said plates having annular fianged portions provided With radial cup openings, said fianged portions having a spaced portion, spokes interposecl between the plates and projecting outwardly therefrom, bearing cups mounted in said openings and having conical recessed portions, a cap member on the outer hub member, an inner hub menber extending into the outer hub and having a plurality of radially extending enlargements which slidably engage the inner sides of the inner plate and the cap, said enlargements having radial bores in alinenent with the bearing cups, plungers reciprocally mounted in said bores and provided with conical recesses in their outer ends, balls interposed between the plungers and the cups and entering the conical recesses, coiled Springs positioned Within the bores and engaging the plungers, and a stop lug projecting outmember extending into' the outer hub and provided with a plurality of radial enlargements and with other portions adapted to engage the bumpers, said enlargements pro- Vded with radial bores which register with the cups, plungers reciprocally extending into the bores, said plungers having recessed inner portions and conical recesses in their outer ends, balls interposed between the plungers and the cups and extending into the conical recesses of both members, coiled Springs interposed between the plungers and the inner hub and extending into the hub bores and plunger inner recesses, and means for limiting the movenent of the inner hub *15 with respect to the outer hub.

In testimony whereof, I aflix my Signature, in presence of two witnesses.

JOHN B. DRAHONOVSKY. Witnesses:

A. O. RossBAoH, C. H. KEENEY.

Copies of this patent may be obtaned for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

